code: def list_of_str(arr):
      return list(arr.astype(str))
  
imports: import numpy
  from pandas import DatetimeIndex, Index, MultiIndex, Series, Timestamp, date_range
  from .pandas_vb_common import setup
label_desc: Use image node_id 2 for calling a global function with example usage: list_of_str(arr) and returns: list